# Sidus Audio vs DataCalc by DPBOX

The clearest difference is in-app purchases: Sidus Audio at none against DataCalc by DPBOX's 1. DataCalc by DPBOX's advantage is review sentiment (100% vs 69%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DataCalc by DPBOX sells 1 in-app purchase, starting at $2.99 per year. Sidus Audio asks for nothing beyond the download.

Sidus Audio ships an update every 6 weeks, DataCalc by DPBOX every 2 months. The most recent releases landed on September 26, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Sidus Audio | DataCalc by DPBOX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (16 ratings)](https://appshunter.io/ios/app/sidus-audio/id1617213662/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 69.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 50 MB | 16 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sidus Link Ltd.](https://appshunter.io/developer/1546027954) | [Gavin Foo](https://appshunter.io/developer/556377228) |

## What reviewers say

### Sidus Audio

[App page](https://appshunter.io/ios/app/sidus-audio/id1617213662)

This app allows professional audio engineers and sound enthusiasts to wirelessly connect and control multiple audio devices. It features an intelligent network for stable communication, centralized monitoring, and parameter presets, all accessible through a user-friendly interface.

**Highlights:** Intelligent audio network, Wireless device control, Centralized monitoring, Parameter presets, Cloud synchronization, Demo mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DataCalc by DPBOX

[App page](https://appshunter.io/ios/app/datacalc-by-dpbox-video-data/id6503596289)

This tool helps filmmakers calculate video data capacity, transfer times, and recording durations. It offers offline use, iCloud synchronization, and language/unit switching.

**Highlights:** Offline data calculation, Transfer time estimation, Recording duration calculation, Summary of records, iCloud synchronization, Language and unit switching

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $2.99 | per year |


## Frequently asked questions

### Is Sidus Audio free?

Sidus Audio is free to download, with no in-app purchases.

### Is DataCalc by DPBOX free?

DataCalc by DPBOX is free to download, with in-app purchases available.

### Do Sidus Audio or DataCalc by DPBOX have ads?

Neither Sidus Audio nor DataCalc by DPBOX shows ads.

### Which is updated more often, Sidus Audio or DataCalc by DPBOX?

Sidus Audio ships an update every 6 weeks, and DataCalc by DPBOX every 2 months. Most recently, Sidus Audio was updated on September 26, 2026 and DataCalc by DPBOX on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*